Reformat and don't pass back default parameters to URL

core/views/helpers.py

@@ -9,6 +9,7 @@
 # from sortedcontainers import SortedSet
 
 # from core import r
+from django.conf import settings
 
 
 class SearchDenied:
@@ -23,6 +24,19 @@ class LookupDenied:
         self.value = value
 
 
+def remove_defaults(query_params):
+    for field, value in list(query_params.items()):
+        if field in settings.DRILLDOWN_DEFAULT_PARAMS:
+            if value == settings.DRILLDOWN_DEFAULT_PARAMS[field]:
+                del query_params[field]
+
+
+def add_defaults(query_params):
+    for field, value in settings.DRILLDOWN_DEFAULT_PARAMS.items():
+        if field not in query_params:
+            query_params[field] = value
+
+
 def dedup_list(data, check_keys):
     """
     Remove duplicate dictionaries from list.